GUI reference
R&S
®
ZNA
477User Manual 1178.6462.02 ─ 29
This checkbox is only enabled if linearity deviation is turned On.
Remote command:
CALCulate<Chn>:LDEViation:MODE
Slope
Slope of the linear function to which the trace is compared.
Remote command:
CALCulate<Chn>:LDEViation:SLOPe
El. Length
The electrical length is available for "Phase" traces and frequency sweeps only.
In this case, Slope can be interpreted as a constant group delay τ and we have the
identity:
–"Slope"/360° = τ = 10
6
·"El. Length"/c
with "Slope" given in °/MHz (degrees per megahertz) and with the speed of light c =
299792458 m/s. Hence the "Slope" determines the "El. Length" and vice versa.
Remote command:
CALCulate<Chn>:LDEViation:ELENgth
Constant
Y intercept of the linear function to which the trace is compared.
Remote command:
CALCulate<Chn>:LDEViation:CONStant
Reset Values
Sets Constant and Slope to zero, which effectively disables linearity deviation calcula-
tion.
Remote command:
CALCulate<Chn>:LDEViation:SLOPe 0
CALCulate<Chn>:LDEViation:CONStant 0
5.6 Lines softtool
The "Lines" softtool allows you to define limits for the measurement results, visualize
them in the diagrams and activate/deactivate the limit check. The analyzer provides
upper, lower, ripple and circle limits. In addition, the "Lines" softtool provides functions
to limit complex diagrams to a user-defined "Display Circle" and to add user-defined
horizontal lines to cartesian diagrams.
Access: Trace – [Line] key
Background information
Refer to Chapter 4.4.1, "Limit check", on page 168.
Lines softtool
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